Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D972706 | Ventilating fan | Roland Keber, Tobias Sieger, Wolfgang Laufer, Arnold Schulde, Georg Eimer +6 more | 2022-12-13 |
| 11391282 | Axial ventilator having noise reducing fan wheel blades | Roland Keber, Tobias Sieger, Wolfgang Laufer, Arnold Schulde, Georg Eimer +6 more | 2022-07-19 |
| 8668435 | Ventilator | Norbert Weisser, Marcel Paffendorf, Wolfgang Laufer, Stefan Mayer | 2014-03-11 |
| 7859267 | Testing device for lighting means | Michael John Andresen, Markus Schwär | 2010-12-28 |